citation update

include citation

README.md

@@ -31,4 +31,15 @@ pretty_name: f
 task_categories:
 - text-classification
 - question-answering
----
+---
+Please consider cite our work if you find the dataset useful
+
+Jing Wang, Amar Sra, Jeremy C. Weiss. Active Learning for Forecasting Severity among Patients with Post Acute Sequelae of SARS-CoV-2. arXiv:2506.22444, 2025.
+
+
+@misc{longcovid,
+  title = {Active Learning for Forecasting Severity among Patients with Post Acute Sequelae of SARS-CoV-2},
+  author = {Jing, Wang, Amar Sra, Jeremy C. Weiss.}, 
+  year = {2025},
+  eprint = {arXiv:2506.22444},
+}